//
//  AppDelegate.swift
//  weibo
//
//  Created by sirius on 15/12/30.
//  Copyright © 2015年 sirius. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    
    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        sleep(3)
        window = UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.makeKeyAndVisible()
        //设置root控制器
//        window?.rootViewController = SinaWelComeViewController()
    
 
        /*
        1.1 如果登录，跳转到版本检测
        1.2 如果没有登录，直接跳转到访客视图
        2.  检测版本
            checkVerson() ? (新特性页面):(欢迎页面)
        */
        window?.rootViewController = SinaAccountViewModel.shareInstance.isLogin ? (retureDefaultViewController()) : (SinaTabBarViewController())
        //注册一个通知
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "changeVC:", name: kNotificationEnter, object: nil)
        setupAppreance()
        return true
    }
    
    private func setupAppreance(){
        UINavigationBar.appearance().tintColor = UIColor.orangeColor()
        UITabBar.appearance().tintColor = UIColor.orangeColor()
    }
    func changeVC(noti: NSNotification){
        printLog("改变控制器")
        printLog(noti.object)
        if noti.object == nil {
            window?.rootViewController = SinaTabBarViewController()
        }else{
            window?.rootViewController = SinaWelComeViewController ()
        }
    }
    func retureDefaultViewController() ->UIViewController{
        return checkVerson() ? (SinaNewFeatureCollectionViewController()) :(SinaWelComeViewController())
        
    }
    private func checkVerson() -> Bool{
     let key = "version"
     let oldVersion = NSUserDefaults.standardUserDefaults().objectForKey(key) as? String
     let newVersion = NSBundle.mainBundle().infoDictionary!["CFBundleVersion"] as! String
     NSUserDefaults.standardUserDefaults().setObject(newVersion, forKey: key)
     //比较 object需转换成String来比较
        if let oldV:String = oldVersion {
            if newVersion.compare(oldV) == NSComparisonResult.OrderedDescending  {
                return true
            } else {
                return true
            }
        }
            return true
    }

    //remove通知
    deinit{
        removeObserver(self, forKeyPath: kNotificationEnter)
    }
        func applicationWillResignActive(application: UIApplication) {
        // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
        // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
    }

    func applicationDidEnterBackground(application: UIApplication) {
        // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
        // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
    }

    func applicationWillEnterForeground(application: UIApplication) {
        // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
    }

    func applicationDidBecomeActive(application: UIApplication) {
        // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
    }

    func applicationWillTerminate(application: UIApplication) {
        // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
    }


}

